import csv
with open('C:\\Users\\we\\Desktop\\新建文件夹\\some.csv',mode='a+',newline='') as f:
	reader = csv.reader(f,delimiter="|")
	print(reader)
	for row in reader:
		print(row)
	writer = csv.writer(f,delimiter="|")
	print(writer)
	a=writer.writerow(['1+1='] + ['3'])
	print(a)



